CN213379175U - Novel continuous casting secondary cooling roller - Google Patents

Abstract

The utility model discloses a novel two cold rollers of continuous casting, including dabber and roller main part, the inside of roller main part is provided with the dabber, still includes: bearing frame and bearing body, the roller main part is all passed at the both ends of dabber, and the cross-section at dabber both ends all becomes square structure, cooling water cavity has been formed between roller main part and the dabber, the both ends of roller main part all are provided with the bearing frame, and the outside that lies in the dabber in the bearing frame is provided with the bearing body, the one end that the roller main part was kept away from to the bearing frame is provided with the bearing end cover, the top and the low side of dabber one end are provided with first lubricating oil import and cooling water import respectively, this continuous casting two cold rollers divide into two parts with the rotating part of roller, the dismantlement maintenance of roller has been made things convenient for, with the separation of oil and water of roller, the life of roller has been prolonged, effectual oil-water isolation has been carried out through lip-shaped seal ring body and labyrinth seal, the pollution to recirculated.

Description

Novel continuous casting secondary cooling roller

Technical Field

The utility model relates to a metallurgical equipment technical field specifically is a novel two chill rolls of continuous casting.

Background

In the continuous casting secondary cooling chamber, a continuous casting fan-shaped section is generally arranged to serve as an arc part supporting section of a continuous casting blank, two cooling rollers are arranged on the fan-shaped section to support and guide the casting blank, and a spraying device is arranged to cool the casting blank.

In a secondary cooling chamber, the temperature of a casting blank is generally above 900 ℃, and because water sprays the casting blank to generate a large amount of steam, in the high-temperature high-humidity environment and under the normal production condition, the service life of a secondary cooling roller is generally not long, and particularly under the condition of bleed-out in continuous casting production, the cleaning and repairing of a continuous casting roller are very difficult, so that a novel continuous casting secondary cooling roller is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel two chill rolls of continuous casting to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel two cold rollers of continuous casting, includes dabber and roller main part, the inside of roller main part is provided with the dabber, still includes: bearing frame and bearing body, the roller main part is all passed at the both ends of dabber, and the cross-section at dabber both ends all becomes square structure, the cooling water cavity that has formed between roller main part and the dabber, the both ends of roller main part all are provided with the bearing frame, and lie in the outside of dabber in the bearing frame and be provided with the bearing body, the one end that the roller main part was kept away from to the bearing frame is provided with the bearing end cover.

Preferably, the top end and the low end of one end of the mandrel are respectively provided with a first lubricating oil inlet and a cooling water inlet, the top end and the low end of the other end of the mandrel are respectively provided with a cooling water outlet and a second lubricating oil inlet, the first lubricating oil inlet and the second lubricating oil inlet are arranged in a central symmetry manner, the cooling water inlet and the cooling water outlet are arranged in a central symmetry manner, and two ends of the cooling water cavity are respectively communicated with the cooling water inlet and the cooling water outlet through communication holes.

Preferably, the outer sides of the two ends of the roller main body are respectively provided with a circle of convex plate, the surfaces of the convex plates and the bearing seat are respectively provided with a bolt hole, and the roller main body is fixedly connected with the bearing seat through a connecting bolt.

Preferably, O-shaped sealing rings are arranged between the two ends of the roller main body and the two bearing seats, labyrinth sealing rings are arranged on the outer sides of the bearing bodies in the bearing seats, the end parts of the labyrinth sealing rings extend into gaps between the bearing bodies and the roller main body, and sealing ring bodies are arranged between the roller main body and the mandrel at the end parts of the bearing bodies.

Preferably, a weld overlay is provided on the outside of the roller body.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses divide into two parts with the rotating part of roller, made things convenient for the dismantlement maintenance of roller, separated the roller oil-water, prolonged roller life, the effectual profit of having carried out through the seal ring body of lip and labyrinth seal circle keeps apart, has reduced the pollution to recirculated cooling water, and the cooling water has prolonged the life of bearing in not getting into the bearing.

Drawings

FIG. 1 is a schematic view of the overall internal connection structure of the present invention;

fig. 2 is a schematic view of the structure of the mandrel in the direction a of the present invention.

In the figure: 1. a mandrel; 2. a bearing seat; 3. a roller body; 4. a bearing end cap; 5. a bearing body; 6. a seal ring body; 7. a labyrinth seal ring; 8. an O-shaped sealing ring; 9. a connecting bolt; 10. a cooling water cavity; 11. overlaying a welding layer; 12. a cooling water inlet; 13. a first lubricant inlet; 14. a second lubricant inlet; 15. and a cooling water outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a novel two cold rollers of continuous casting, includes dabber 1 and roller main body 3, roller main body 3's inside is provided with dabber 1, still includes: the roller comprises a roller main body 3 and a bearing block 2 and a bearing body 5, wherein two ends of the mandrel 1 penetrate through the roller main body 3, the cross sections of two ends of the mandrel 1 are of a square structure, a cooling water cavity 10 is formed between the roller main body 3 and the mandrel 1, the two ends of the roller main body 3 are provided with the bearing blocks 2, the bearing block 5 is arranged on the outer side of the mandrel 1 in each bearing block 2, and one end, far away from the roller main body 3, of each bearing block 2 is provided with a bearing end cover 4;

the both ends of dabber 1 are square by circular processing, install on fan-shaped section support, the rotating part of roller divide into roller main part 3 and bearing frame 2 two parts, bearing body 5 is installed between dabber 1 and bearing frame 2, roller main part 3 passes through connecting bolt 9 and bearing frame 2, there is the dismantlement screw hole on the bearing frame 2, when the roller clearance is dismantled, connecting bolt 9 unpacks apart, and with dismantling the screw hole with roller main part 3 and bearing frame 2 separation, can be ejecting bearing body 5 after dismantling bearing end cover 4, it is convenient to dismantle, need not use equipment such as press.

Referring to fig. 1 and 2, the top end and the bottom end of one end of the mandrel 1 are respectively provided with a first lubricant inlet 13 and a cooling water inlet 12, the top end and the bottom end of the other end of the mandrel 1 are respectively provided with a cooling water outlet 15 and a second lubricant inlet 14, the first lubricant inlet 13 and the second lubricant inlet 14 are arranged in a central symmetry manner, the cooling water inlet 12 and the cooling water outlet 15 are arranged in a central symmetry manner, two ends of the cooling water cavity 10 are respectively communicated with the cooling water inlet 12 and the cooling water outlet 15 through communication holes, the cooling water inlet 12 facilitates cold water to enter the cooling water cavity 10, cold water in the cooling water cavity 10 is discharged through the cooling water outlet 15, and the cooling water inlet 12 and the cooling water outlet 15 are arranged in a central symmetry manner, so that the cold water can be fully contacted with the roller main body 3, and a good cooling effect is ensured, lubricating oil can be introduced into the roller main body 3 through the first lubricating oil inlet 13 and the second lubricating oil inlet 14, so that the lubricating effect of the roller main body during working is ensured, and the service life of the roller main body is prolonged.

Referring to fig. 1, the outer sides of the two ends of the roller main body 3 are provided with a circle of convex plates, the surfaces of the convex plates and the bearing seat 2 are provided with bolt holes, and the roller main body 3 is fixedly connected with the bearing seat 2 through a connecting bolt 9, so that the stability of connection between the bearing seat 2 and the roller main body 3 is ensured.

Referring to fig. 1, O-ring seals 8 are disposed between two ends of the roller body 3 and two bearing seats 2, labyrinth seals 7 are disposed on outer sides of the bearing bodies 5 in the bearing seats 2, ends of the labyrinth seals 7 extend into gaps between the bearing bodies 5 and the roller body 3, a seal ring body 6 is disposed between the roller body 3 and the mandrel 1 at an end of the bearing body 5, the O-ring seals 8, the labyrinth seals 7, and the seal ring body 6 are disposed to achieve a good sealing effect inside the protective cover roller, and cooling water in the cooling water cavity 10 is effectively prevented from overflowing.

Referring to fig. 1, the outer side of the roller body 3 is provided with the build-up welding layer 11, which can better protect the surface of the roller body 3 from corrosion, and prolong the service life of the roller body 3.

The working principle is as follows: the two ends of a mandrel 1 are processed into squares from a circle and are arranged on a fan-shaped section bracket, the rotating part of a roller is divided into a roller main body 3 and a bearing seat 2, a bearing body 5 is arranged between the mandrel 1 and the bearing seat 2, the roller main body 3 is connected with the bearing seat 2 through a connecting bolt 9, a dismounting screw hole is arranged on the bearing seat 2, when the roller is cleaned and dismounted, the connecting bolt 9 is dismounted, the roller main body 3 is separated from the bearing seat 2 through the dismounting screw hole, the bearing body 5 can be ejected out after a bearing end cover 4 is dismounted, the dismounting is convenient, equipment such as a press machine and the like is not needed, a cooling water inlet 12, a first lubricating oil inlet 13 and a second lubricating oil inlet 14 are processed on the mandrel 1, the cooling water inlet 12 and a cooling water outlet 15 are arranged in central symmetry, the cooling water inlet 12 is arranged below the mandrel 1, the cooling water outlet 15 is arranged above the mandrel 1, cooling water, and flows out from the high-end cooling water outlet 15, so that the cooling water can fill most of the cavity of the roller, and the cooling effect is good.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a novel two cold rollers of continuous casting, includes dabber (1) and roller main part (3), the inside of roller main part (3) is provided with dabber (1), its characterized in that still includes: bearing frame (2) and bearing body (5), roller main part (3) are all passed at the both ends of dabber (1), and the cross-section at dabber (1) both ends all becomes square structure, cooling water cavity (10) have been formed between roller main part (3) and dabber (1), the both ends of roller main part (3) all are provided with bearing frame (2), and the outside that lies in dabber (1) in bearing frame (2) is provided with bearing body (5), the one end that roller main part (3) were kept away from in bearing frame (2) is provided with bearing end cover (4).

2. The novel continuous casting secondary cooling roll as claimed in claim 1, wherein: the core shaft structure is characterized in that a first lubricating oil inlet (13) and a cooling water inlet (12) are respectively formed in the top end and the lower end of one end of the core shaft (1), a cooling water outlet (15) and a second lubricating oil inlet (14) are respectively formed in the top end and the lower end of the other end of the core shaft (1), the first lubricating oil inlet (13) and the second lubricating oil inlet (14) are arranged in a central symmetry mode, the cooling water inlet (12) and the cooling water outlet (15) are arranged in a central symmetry mode, and two ends of the cooling water cavity (10) are respectively communicated with the inside of the cooling water inlet (12) and the inside of the cooling water outlet (15) through communicating holes.

3. The novel continuous casting secondary cooling roll as claimed in claim 1, wherein: the outer sides of the two ends of the roller main body (3) are provided with a circle of convex plate, the surfaces of the convex plate and the bearing seat (2) are provided with bolt holes, and the roller main body (3) is fixedly connected with the bearing seat (2) through a connecting bolt (9).

4. The novel continuous casting secondary cooling roll as claimed in claim 1, wherein: all be provided with O type sealing washer (8) between the both ends of roller main part (3) and two bearing frame (2), the outside that lies in bearing body (5) in bearing frame (2) all is provided with labyrinth seal circle (7), and in the tip of labyrinth seal circle (7) stretched into the gap between bearing body (5) and roller main part (3), bearing body (5) tip lies in and is provided with sealing washer body (6) between roller main part (3) and dabber (1).

5. The novel continuous casting secondary cooling roll as claimed in claim 1, wherein: and a surfacing layer (11) is arranged on the outer side of the roller main body (3).

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